IEC 60836 pdf download Specifications for unused silicone insulating liquids for electrotechnical purposes 1 scope This International Standard covers specifications and test methods for unused silicone liquidintended for use in transformers and other electrotechnical equipment. The specified characteristics of silicone transformer liquid Type 1 are described in Table 1.Other ‘specifications will be added when required. NOTE Maintenance of used silicone...
IEC 60939-2 pdf download Passive filter units for electromagnetic interference suppression – Part 2: Sectional specification – Passive filter units for which safety tests are appropriate – Test methods and general requirements 1.1Scope This Sectional specification applies to passive filter units for electromagnetic interferencesuppression which fall within the scope of the Generic Specification IEC 60939-1. The scope of this Sectional...
IEC 60974-7 pdf download Arc welding equipment – Part 7: Torches 1 scope This part of lEC 60974 specifies safety and construction requirements for torches for arcwelding and allied processes. In this part of lEC 60974, a torch consists of the torch body, the cable-hose assembly andother components. This part of lEC 60974 is not applicable to electrode holders for...
IEC 61006 pdf download Electrical insulating materials – Methods of test for the determination of the glass transition temperature 1Scope This International Standard specifies procedures for test methods for the determination of theglass transition temperature of solid electrical insulating materials. They are applicable toamorphous materials or to partially crystalline materials containing amorphous regions whichare stable and do not undergo decomposition...
IEC 61047 pdf download DC or AC supplied electronic step-down convertors for filament lamps – Performance requirements This International Standard specifies performance requirements for electronic step-downconvertors for use on d.c. supplies up to 250 v and a.c. supplies up to 1 0o0 v at 50 Hz or60 Hz with operating frequencies deviating from the supply frequency,associated withtungsten halogen lamps as...
IEC 61086-1 pdf download Coatings for loaded printed wire boards (conformal coatings) – Part 1: Definitions, classification and general requirements This part of lEC 61086 gives the definitions,classification and general requirements forelectrical insulating materials suitable for application as coatings for loaded printed wireboards (conformal coatings). This standard excludes requirements for compatibility between such coatings and printed wireboards, this characteristic being...
IEC 61097-6 pdf download Global maritime distress and safety system (GMDSS) – Part 6: Narrowband direct-printing telegraph equipment for the reception of navigational and meteorological warnings and urgent information to ships (NAVTEX) This part of lEC 61097 specifies the minimum performance requirements, technical character-istics and type-testing requirements for narrowband telegraph equipment for the reception ofnavigational and meteorological information as required...
IEC 61121 pdf download Tumble dryers for household use – Methods for measuring the performance 1 Scope This International Standard is applicable to household electric tumble dryers of the automaticand non-automatic type, with or without a cold water supply and incorporating a heating device. The object is to state and define the principal performance characteristics of household electrictumble dryers of...
IEC 61162-402 pdf download Maritime navigation and radiocommunication equipment and systems – Digital interfaces – Part 402: Multiple talkers and multiple listeners – Ship systems interconnection – Documentation and test requirements 1 Scope 1.1General This standard series, IEC 61162-400 and upwards, specifies a communication protocol foruse in integrated ship systems. lt also specifies an interface description language for usetogether with...
IEC 61225 pdf download Nuclear power plants – Instrumentation and control systems important to safety – Requirements for electrical supplies 1 scope This International Standard specifies the performance and the functional characteristics of theelectrical supply systems required for the instrumentation and control (1&C) systems importantto safety of a nuclear power plant. Guidance is also given on the possible use of...